Which part of hip or knee implants has more significance in terms of wear resistance?

I wanna investigate wear resistance of a part of some implant that need high wear resistance, but I don't khow which part has more need..

06 January 2019 977 3 View

Which part of clinical implants has less wear resistance? And also which materials of implants has poor tribologic traits?

I want to improve the wear resistance of a clinical implant that its tribologic properties are significant. but I don't know precisely which implant has poor wear resistance

02 January 2019 4,931 3 View

What is the number of distinct (up to isomorphism) elliptic curves over Fq in the family?

As we know, an elliptic curve defined over Fq with a rational 2-torsion subgroup can be expressed in the special form (up to twists). Accordingly a natural question arises about the number of...

09 September 2016 5,729 3 View

How can I design an ingeniously hydrothermal synthesis of CuS/rGO?

In published papers, researchers investigate the synthesis with changing the amount of GO or solvent and things like this. I need a different way to design my experiment. have you any idea?

01 August 2016 9,457 3 View

No title

14 July 2016 3,641 1 View

How can I give an octahedron box in gromacs, prefered dimension ?

Hi all I have almost use the following command to give dimension to membrane, which is octahedron ! gmx editconf -f *.gro -o *-box.gro -bt octahedron -d 1.0 -c Now I `m trying to give a right...

05 June 2016 1,981 2 View

Is there a HER2-negative and ER positive breast cancer cell line that can be used in mice?

Is there a HER2-negative and ER positive breast cancer cell line that can be used in mice?

04 June 2016 5,547 3 View

How can I identify a hysteresis system ?

Hi everyone, I want to identify linear model for a pneumatic proportional valve that has hysteresis behavior. I split region of system to 9 sub-regions and apply a PRBS as input of system for...

27 December 2014 6,381 8 View

How can I design a back stepping controller?

Hi everybody, How can I design a back stepping controller for this system? h1 and h2 are states of the system and q is the input. Because, in Khalil's book, design is said for specific type of...

25 December 2014 7,551 7 View

Who has the protocol honeybee (Apis mellifera) DNA extraction?

DNA extraction

15 December 2013 5,937 3 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View

Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View